for (int i = 0; i < listView1.Items.Count; i++)
        {
          string sourceFile = listView1.Items[i].Text;
          statusBar1.Text = sourceFile;
          java.io.FileInputStream fis = new java.io.FileInputStream(sourceFile);
          // File name format in zip file is:
          // folder/subfolder/filename
          // Let's delete drive name and replace '\' with '/':
          java.util.zip.ZipEntry ze = new java.util.zip.ZipEntry(sourceFile.Substring(3).Replace('\\','/'));
          zos.putNextEntry(ze);
          sbyte[] buffer = new sbyte[1024];
          int len;
                    
          while((len = fis.read(buffer)) >= 0)
          {                            
            zos.write(buffer, 0, len);
          }
          zos.closeEntry();
          fis.close();
        }